diff --git a/dots/.nvim-environments/primary/config/after/ftplugin/cs.lua b/dots/.nvim-environments/primary/config/after/ftplugin/cs.lua
new file mode 100644
index 00000000..25107080
--- /dev/null
+++ b/dots/.nvim-environments/primary/config/after/ftplugin/cs.lua
@@ -0,0 +1 @@
+vim.api.nvim_buf_set_option(0, "commentstring", "// %s")